-x=18-20

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Solution for -x=18-20 equation: 


Simplifying
-1x = 18 + -20

Combine like terms: 18 + -20 = -2
-1x = -2

Solving
-1x = -2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '-1'.
x = 2

Simplifying
x = 2

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